本地连接连接不上是什么原因

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select * from tbl_Articles WHERE ArticleID=512767 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=512767 LIMIT 0,1
select * from tbl_Articles_sphinx where id=512767 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1132225,1123905,1099551,1105415,1114932,1090583,1103096,1131783,1131949,1123621,1118164,1132635,1125389,1132893,1124839,1126555,1097585,1104085,1109785,1275276,1106533,1085374,1132885,1043081,1127325,980757,1115897,1129377,1124394,1076718) ORDER BY field (ArticleID,1132225,1123905,1099551,1105415,1114932,1090583,1103096,1131783,1131949,1123621,1118164,1132635,1125389,1132893,1124839,1126555,1097585,1104085,1109785,1275276,1106533,1085374,1132885,1043081,1127325,980757,1115897,1129377,1124394,1076718)